# importing build in module regular expression, re module import re string = "search this inside of this text" a = re.search("this", string) print(a) # <re.Match object; span=(7, 11), match='this'> print(a.span()) # (7, 11) print(a.start()) # 7 print(a.end()) # 11 pattern = re.compile("this") b = pattern.search(string) print(b) # <re.Match object; span=(7, 11), match='this'> c = pattern.findall(string) print(c) # ['this', 'this'] d = pattern.match(string) print(d) # None string2 = "This is a text" pattern2 = re.compile("This") e = pattern2.match(string2) print(e) # <re.Match object; span=(0, 4), match='This'> f = pattern2.fullmatch(string2) print(f) # None # https://regex101.com/ # https://www.w3schools.com/python/python_regex.asp # https://www.programiz.com/python-programming/regex